Copel (NYSE: ELP) unifies shares and joins B3’s Novo Mercado tier

Rhea-AI Filing Summary

Companhia Paranaense de Energia – Copel reports that it has completed its migration to the Novo Mercado segment of B3, which is described as the highest corporate governance tier in the Brazilian market. As part of this move, Copel will now have only common shares traded under the code CPLE3, replacing its former multiple share classes and resulting in a simpler, more transparent capital structure. The company presents this change as a strategic commitment to stronger governance standards and long-term value creation for shareholders, aligning its practices with what it calls best market standards.

Insights

Equity governance analyst

Copel unifies share class and upgrades to B3's top governance tier.

Copel has completed its move to B3’s Novo Mercado, which is described as the highest corporate governance standard in Brazil. This step includes ending multiple share classes so that only common shares remain, trading under the ticker CPLE3.

Unifying into a single class generally aligns voting and economic rights, which can make governance structures easier for investors to understand. The company explicitly links the change to a strategic focus on governance quality and long-term value generation.

The practical effects will depend on how the new structure influences future decisions on capital allocation, disclosure and shareholder engagement. Future regulatory reports and shareholder communications can show how Novo Mercado requirements shape Copel’s ongoing governance practices.

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FAQ

What governance change did Companhia Paranaense de Energia (ELP) announce in this 6-K?

The company announced that it has completed its migration to the Novo Mercado segment of B3, which it describes as the highest corporate governance standard in the Brazilian market.

How does Copel’s migration to B3 Novo Mercado affect its share structure?

As a result of the migration, Copel will now have only common shares, which will be traded on B3 under the code CPLE3, replacing its prior multiple share classes.

Why does Copel say the Novo Mercado listing is important for investors?

Copel states that joining the Novo Mercado is more than a change in listing segment, describing it as a strategic commitment to excellence in governance and long-term value generation in line with best market practices.

Which stock exchanges and tickers are associated with Copel after this governance change?

The company lists B3 with ticker CPLE3, NYSE with ELP and ELPC, and LATIBEX with XCOPA and XCOPO as its trading symbols.

Who is identified as responsible for investor relations in Copel’s announcement?

The announcement is signed by Felipe Gutterres, Vice-President of Finance and Investor Relations, and provides Copel’s Investor Relations contact email and phone number for further clarification.

Does Copel link the Novo Mercado migration to long-term value creation?

Yes. Copel characterizes the migration as reflecting a strategic commitment to excellence in governance and to the generation of long-term value for shareholders.

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

Report of Foreign Private Issuer
Pursuant to Rule 13a-16 or 15d-16 of the

Securities Exchange Act of 1934

For the month of December, 2025

Commission File Number 1-14668

COMPANHIA PARANAENSE DE ENERGIA

(Exact name of registrant as specified in its charter)

Energy Company of Paraná

(Translation of Registrant's name into English)

José Izidoro Biazetto, 158
81200-240 Curitiba, Paraná
Federative Republic of Brazil
+55 (41) 3331-4011

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.  Form 20-F ___X___ Form 40-F _______

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934. 

Yes _______ No ___X____

 

COMPANHIA PARANAENSE DE ENERGIA - COPEL

CNPJ 76.483.817/0001-20 - NIRE 41300036535 - CVM Registration 1431-1

B3 (CPLE3, CPLE5)

NYSE (ELP, ELPC)

LATIBEX (XCOPA, XCOPO)

Migration to B3's Novo Mercado

COPEL (“the Company”) is pleased to announce to its shareholders and the market in general that, on this date, it has completed the process of migration to the Novo Mercado of [B]³ S.A. - Brasil, Bolsa, Balcão (“B3”), a segment that represents the highest standard of corporate governance in the Brazilian market (“Migration to the New Market”).

As a result of the Migration to the Novo Mercado, as of today, the Company will have only common shares, which will be traded under the code CPLE3, consolidating a simpler, more transparent corporate structure in line with best market practices.

This achievement represents much more than a change in listing segment; it reflects the strategic commitment to excellence in governance and the generation of long-term value. By joining the Novo Mercado, the Company:

· Strengthens governance by adopting stricter corporate rules, aligned with the best international practices.

· Increases the attractiveness of its shares, favoring greater liquidity and potential appreciation, by concentrating on trading in a single type of share (common).

· Reinforces its commitment to investors, ensuring more robust rights and consolidating its position as a benchmark in the Brazilian electricity sector.

Copel remains available for further clarification through its Investor Relations channels.

Curitiba, December 22, 2025

Felipe Gutterres

Vice-President of Finance and Investor Relations

For further information, please contact the Investor Relations team:
ri@copel.com or (41) 3331-4011

 

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date December 22, 2025

COMPANHIA PARANAENSE DE ENERGIA – COPEL
By:	/S/  Daniel Pimentel Slaviero
	Daniel Pimentel Slaviero Chief Executive Officer

FORWARD-LOOKING STATEMENTS

This press release may contain forward-looking statements. These statements are statements that are not historical facts, and are based on management's current view and estimates of future economic circumstances, industry conditions, company performance and financial results. The words "anticipates", "believes", "estimates", "expects", "plans" and similar expressions, as they relate to the company, are intended to identify forward-looking statements. Statements regarding the declaration or payment of dividends, the implementation of principal operating and financing strategies and capital expenditure plans, the direction of future operations and the factors or trends affecting financial condition, liquidity or results of operations are examples of forward-looking statements. Such statements reflect the current views of management and are subject to a number of risks and uncertainties. There is no guarantee that the expected events, trends or results will actually occur. The statements are based on many assumptions and factors, including general economic and market conditions, industry conditions, and operating factors. Any changes in such assumptions or factors could cause actual results to differ materially from current expectations.